Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9612042 | Method of operating a refrigeration system in a null cycle | Lars I. Sjoholm, Peter W. Freund, Jeffrey B. Gronneberg | 2017-04-04 |
| 9062903 | Economizer combined with a heat of compression system | Lars I. Sjoholm, Peter W. Freund, Jeffrey B. Gronneberg | 2015-06-23 |